The Xcluder Versa Line Door Sweep Mill Finish (no cover) is an economical solution against rats, mice, and other small rodents. It is durable and sturdy enough to withstand the gnawing of these pests, giving you peace of mind. It allows a hassle-free installation and is adjustable. No need for any special tools. Its integrally molded flap provides enhanced thermal properties and protection against crawling and flying bugs. Also prevents drafts and light penetration. Ideal for both residential and commercial use, especially in retail and office locations. Seals gaps up to one and three-fourths inches. If desired, covers for these door sweeps can be purchased here.